Área De Proteção Ambiental Da Baixada Maranhense
IUCN VEnvironmental Protection Area · 1991
17 283 km²
Municipality · BRA
Pio XII
Brazil
AwTropical, savannah(100 %)
Species observed
18
Observations
30
Area
545,1km²
Partial data for this territory
Few observations recorded here. Real biodiversity is likely richer.
Ecological tissue
Sample of 4 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Pio XII : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Espèces affichées
4
Interactions affichées
2
Connectance
0.333
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
18 distinct species · 30 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,6°C
Annual rain
1 854mm
Warmest m°
34,0°C
Coldest m°
23,1°C
Elevation: 20 m on average (min 3 m, max 47 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,6°C
Annual rain
1 854mm
Warmest month
34,0°C
Coldest month
23,1°C
Mean alt.
20m
Min
3m
Max
47m
Std. dev.
9m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
24,4g/kg
Clay
28,1%
Sand
34,1%
Silt
37,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
38,7g/kg
Clay
28,0%
Sand
33,2%
Silt
38,8%
5–15 cm
pH H₂O
5,3
Org. C
19,2g/kg
Clay
25,9%
Sand
36,0%
Silt
38,0%
15–30 cm
pH H₂O
5,3
Org. C
15,2g/kg
Clay
30,3%
Sand
33,1%
Silt
36,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.2%
Crops0.7%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)64.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 11 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
62,6km
Lake surface here
20,04km²
Basins crossed
5
Max stream order
5
Max drainage
21 767km²
Discharge in basins
85,1m³/s
Mean precip.
1 653mm/an
Mean T°
27,3°C
Moisture idx
-0,06
Mean runoff
618mm/an
Mean elev. (basins)
24m
Watersheds crossing here
- Bassin de Igarapé Boa Uniãosub-area318,7 km²overlap247.14 km²45%
- Bassin de Rio Grajaúsub-area2 086,9 km²overlap151.54 km²28%
- Bassin de Igarapé do Ipixunasub-area593 km²overlap96.41 km²18%
- Bassin de Igarapé da Ciganasub-area712,3 km²overlap49.99 km²9%
- Bassin de Rio Grajaúsub-area583,1 km²overlap0.07 km²0%
Lakes (11, top by area)
- Lago Açuarea72,3 km²avg depth1.7 m
- Lago Açuarea14,5 km²avg depth1.6 m
- Lake #18382area2,8 km²avg depth1.4 m
- Lake #18366area2,4 km²avg depth1.8 m
- Lake #18353area1,9 km²avg depth1.8 m
- Lac 1084936area0,5 km²avg depth1.5 m
- Lac 1085185area0,5 km²avg depth2.9 m
- Lac 1084907area0,4 km²avg depth1.7 m
- Lac 1085083area0,3 km²avg depth1.9 m
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
26,1%
Pesticides
52,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2
Baixada Maranhense Environmental Protection Area
IUCN VWetland of International Importance (Ramsar Site) · 2000
17 283 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN